Using the same time series data and trend forecast model as in exercise 13, respond to the

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Using the same time series data and trend forecast model as in exercise 13, respond to the following items.

Period Sales Period Sales 1 $1001 10 $686 2 1129 11 909 3 841 12 469 4 1044 13 566 1012 14 488 703 15 688 7 682 16 675 8 712 17 303 9 646 18 381

a. Plot the residuals associated with the trend model for this data.

b. T est for autocorrelation using the .05 significance level.

c. R eport and interpret your result.

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Statistical Techniques In Business And Economics

ISBN: 9781260239478

18th Edition

Authors: Douglas Lind, William Marchal, Samuel Wathen

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Question Posted: Dec 14, 2020 12:36 AM

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Using the same time series data and trend forecast model as in exercise 13, respond to the

Question:

Period Sales Period Sales 1 $1001 10 $686 2 1129 11 909 3 841 12 469 4 1044 13 566 1012 14 488 703 15 688 7 682 16 675 8 712 17 303 9 646 18 381

Step by Step Answer:

a The graph of residuals does not show evidence of a pattern or autocorrelation b c The dtest s...View the full answer

Statistical Techniques In Business And Economics

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